CSET CSET Science: Earth and Space Sciences 2

Question 1

Which layer of Earth's atmosphere contains the ozone layer?

Accepted Answer

Stratosphere

Answer

The ozone layer is located in the stratosphere, approximately 15–35 km above Earth's surface, where it absorbs harmful ultraviolet radiation.

Question 2

What primarily drives the formation of trade winds in the tropics?

Accepted Answer

The Coriolis effect combined with equator-to-pole temperature differences

Answer

Trade winds result from the Coriolis effect deflecting air that flows from subtropical high-pressure zones toward the low-pressure equatorial belt.

Question 3

Which greenhouse gas has increased most dramatically due to human activities since the Industrial Revolution?

Accepted Answer

Carbon dioxide

Answer

Carbon dioxide levels have risen from approximately 280 ppm pre-industrial to over 420 ppm today, primarily from burning fossil fuels and deforestation.

Question 4

What causes Earth to have seasons?

Accepted Answer

The 23.5° tilt of Earth's axis relative to its orbital plane

Answer

Earth's 23.5° axial tilt causes each hemisphere to receive more direct sunlight during its summer and less during its winter, creating the seasons.

Question 5

A cold front is best described as which of the following?

Accepted Answer

A cold, dense air mass that advances and displaces a warm air mass

Answer

A cold front forms when a cold, dense air mass advances and forces the warmer, less dense air mass it encounters to rise rapidly, often producing storms.

CSET Test Practice Test

CSET Test Practice Test

CSET CSET Science: Earth and Space Sciences 2